本文整理匯總了Java中javax.swing.JPopupMenu.isShowing方法的典型用法代碼示例。如果您正苦於以下問題：Java JPopupMenu.isShowing方法的具體用法？Java JPopupMenu.isShowing怎麽用？Java JPopupMenu.isShowing使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.swing.JPopupMenu的用法示例。
在下文中一共展示了JPopupMenu.isShowing方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: dynamicChange
import javax.swing.JPopupMenu; //導入方法依賴的package包/類
public static void dynamicChange(final JPopupMenu popup, boolean usedToBeContained) {
if (!popup.isShowing()) {
return;
}
if (isProblemConfig()) {
callRefreshLater(popup);
return;
}
refreshPopup(popup);
Point p = popup.getLocationOnScreen();
Point newPt = getPopupMenuOrigin(popup, p);
boolean willBeContained = willPopupBeContained(popup, newPt);
if (usedToBeContained != willBeContained) {
popup.setVisible(false);
}
if (!newPt.equals(p)) {
// if (!NO_POPUP_PLACEMENT_HACK) {
// popup.setLocation(newPt.x, newPt.y);
// }
}
if (usedToBeContained != willBeContained) {
popup.setVisible(true);
}
}
示例2: isPopupContained
import javax.swing.JPopupMenu; //導入方法依賴的package包/類
public static boolean isPopupContained(JPopupMenu popup) {
if (!popup.isShowing()) {
return false;
}
return willPopupBeContained(popup, popup.getLocationOnScreen());
}
示例3: willPopupBeContained
import javax.swing.JPopupMenu; //導入方法依賴的package包/類
private static boolean willPopupBeContained(JPopupMenu popup, Point origin) {
if (!popup.isShowing()) {
return false;
}
Window w = SwingUtilities.windowForComponent(popup.getInvoker());
Rectangle r = new Rectangle(origin, popup.getSize());
return (w != null) && w.getBounds().contains(r);
}
示例4: dynamicChangeToSubmenu
import javax.swing.JPopupMenu; //導入方法依賴的package包/類
public static void dynamicChangeToSubmenu(JPopupMenu popup, boolean usedToBeContained) {
Object invoker = popup.getInvoker();
if (!(invoker instanceof JMenu)) {
return;
}
JMenu menu = (JMenu) invoker;
if (!popup.isShowing()) {
return;
}
if (isProblemConfig()) {
callRefreshLater2(popup, menu);
return;
}
refreshPopup(popup);
Point p = popup.getLocationOnScreen();
Dimension popupSize = popup.getPreferredSize();
Rectangle popupRect = new Rectangle(p, popupSize);
Rectangle screenRect = getScreenRect();
boolean willBeContained = isPopupContained(popup);
if (!screenRect.contains(popupRect)) {
/*
* The menu grew off the edge of the screen.
*/
menu.setPopupMenuVisible(false);
menu.setPopupMenuVisible(true);
} else if (usedToBeContained != willBeContained) {
/*
* The menu grew off the edge of the containing window.
* Use the setVisible() hack to change the menu from
* lightweight to heavyweight.
*/
popup.setVisible(false);
popup.setVisible(true);
}
}